Finding the Fourth Proportional to 8,133.52, 12,190.32 and 3,451.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,133.52 : 12,190.32 = 3,451.72 : x
2. Step 2: Convert to fraction form
   8,133.52/12,190.32 = 3,451.72/x
3. Step 3: Cross multiply
   8,133.52x = 12,190.32 × 3,451.72
4. Step 4: Simplify right side
   8,133.52x = 42,077,571.35
5. Step 5: Solve for x
   x = 42,077,571.35/8,133.52
6. Step 6: Final answer
   x = 5,173.35